This is a bundle of (1) Eccotemp 40HI-LP Indoor Propane Tankless Water Heater, 135,000 British Thermal Unit and (1) Breo Skin Watch (Random Color). The Eccotemp 40HI-LP is the indoor equivalent to the Eccotemp 40H tankless water heater. The Eccotemp 40HI-LP Tankless Water Heater is designed to supply hot water to a standard three bedroom, two bathroom home. This Eccotemp tankless water heater is an ideal choice for retrofitting your old storage tank heater, or can be plumbed in a new location. In addition, the Eccotemp 40HI-LP tankless water heater is powered by liquid propane which generally carries a lower operating cost than similar electric units and has an energy factor (EF) of 0.80. Rated at an already impressive 6.3 GPM, the Eccotemp 40HI-LP is also a split system adaptable which can further increase efficiency and hot water delivery speed. With built-in pressure relief filter system and a 10 year warranty, the Eccotemp 40Hi-LP tankless hot water heater is the ideal choice for a standard sized home. Power: Up to 135,000 BTU, 110V power supply. Vent and Inlet Measurements: 3 inch vent 3/4 inch water inlet with adapter, 1/2 inch without adapter, 3/4 inch gas inlet. Flow Rate: 35 degree rise: 6.0 GPM. 45 degree rise: 4.57 GMP. 77 degree rise: 2.6 GMP. Additional Features: Liquid Propane Powered. Digital remote with simple Controls and diagnostics. 110 volt UL listed power cord. 135,000 BTU. Energy Factor: 0.80. 10 year warranty on heat exchanger. 5 year warranty on parts.